Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
665807731Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5762290954358150536572169.02018-03-04 15:54:34
History
DateUserTypeResult
2018-03-04ConductorF
Factor: 576229095435815053657 / TF: 68-69
2011-10-09laleraNF
no factor from 2^64 to 2^68
2010-06-09Architects CubedNF
no factor from 2^63 to 2^64